[PATCH] drm/amdgpu: remove amdgpu_bo_backup_to_shadow

[Deucher, Alexander]

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Christian König <ckoenig.leichtzumerken at gmail.com>
Sent: Friday, November 30, 2018 7:45:17 AM
To: amd-gfx at lists.freedesktop.org
Subject: [PATCH] drm/amdgpu: remove amdgpu_bo_backup_to_shadow

It is unused.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 47 ----------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.h |  5 ---
 2 files changed, 52 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index cf768acb51dc..cc50cb65c212 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -607,53 +607,6 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
         return r;
 }

-/**
- * amdgpu_bo_backup_to_shadow - Backs up an &amdgpu_bo buffer object
- * @adev: amdgpu device object
- * @ring: amdgpu_ring for the engine handling the buffer operations
- * @bo: &amdgpu_bo buffer to be backed up
- * @resv: reservation object with embedded fence
- * @fence: dma_fence associated with the operation
- * @direct: whether to submit the job directly
- *
- * Copies an &amdgpu_bo buffer object to its shadow object.
- * Not used for now.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
-                              struct amdgpu_ring *ring,
-                              struct amdgpu_bo *bo,
-                              struct reservation_object *resv,
-                              struct dma_fence **fence,
-                              bool direct)
-
-{
-       struct amdgpu_bo *shadow = bo->shadow;
-       uint64_t bo_addr, shadow_addr;
-       int r;
-
-       if (!shadow)
-               return -EINVAL;
-
-       bo_addr = amdgpu_bo_gpu_offset(bo);
-       shadow_addr = amdgpu_bo_gpu_offset(bo->shadow);
-
-       r = reservation_object_reserve_shared(bo->tbo.resv, 1);
-       if (r)
-               goto err;
-
-       r = amdgpu_copy_buffer(ring, bo_addr, shadow_addr,
-                              amdgpu_bo_size(bo), resv, fence,
-                              direct, false);
-       if (!r)
-               amdgpu_bo_fence(bo, *fence, true);
-
-err:
-       return r;
-}
-
 /**
  * amdgpu_bo_validate - validate an &amdgpu_bo buffer object
  * @bo: pointer to the buffer object
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 7d3312d0da11..9291c2f837e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -267,11 +267,6 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
                      bool shared);
 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
-int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
-                              struct amdgpu_ring *ring,
-                              struct amdgpu_bo *bo,
-                              struct reservation_object *resv,
-                              struct dma_fence **fence, bool direct);
 int amdgpu_bo_validate(struct amdgpu_bo *bo);
 int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
                              struct dma_fence **fence);
--
2.17.1

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